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CBSE Class 9 Answered

Q) 
Asked by banerjee_milky | 21 Nov, 2017, 12:05: PM
Expert Answer
begin mathsize 16px style straight x equals fraction numerator open parentheses straight a squared plus ab plus straight b squared close parentheses over denominator straight a plus straight b end fraction
straight y equals fraction numerator negative ab over denominator straight a plus straight b end fraction
LHS equals ax plus by
equals straight a cross times fraction numerator open parentheses straight a squared plus ab plus straight b squared close parentheses over denominator straight a plus straight b end fraction plus straight b cross times open parentheses fraction numerator negative ab over denominator straight a plus straight b end fraction close parentheses
equals fraction numerator straight a over denominator straight a plus straight b end fraction open parentheses straight a squared plus ab plus straight b squared minus straight b squared close parentheses
equals fraction numerator straight a cross times straight a open parentheses straight a plus straight b close parentheses over denominator straight a plus straight b end fraction
equals straight a squared
equals RHS
Since comma space RHS equals LHS
straight x space and space straight y space are space the space solutions space of space the space given space equations.


NOTE colon
Please space state space your space question space clearly. end style
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